package thread;


class UnresponsiveUI{
    private volatile double d  = 1;
    public UnresponsiveUI() throws Exception{
        while (d > 0){
            d = d + (Math.PI + Math.E) / d;
        }
        System.in.read();
    }
}

public class ResponsiveUI extends Thread {

    private static volatile  double d = 1;
    public ResponsiveUI(){
        setDaemon(true);
        start();
    }
    @Override
    public void run() {
        while (true){
            d = d + (Math.PI + Math.E)/d;
        }
    }

    public static void main(String[] args) throws Exception {
        new ResponsiveUI();
        System.in.read();
        System.out.println(d);
    }
}
